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B18A type 496801 120-130

posted by  Aidan on  Fri May 5 21:46 CST 2006
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last visit: Wed Oct 22 03:47 CST 2014
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Hi Joaquin,

The only information that I can find is on the GCP website.

http://www.gcp.se/asp/frmCatalogDisplay.asp?CurrentSection=Section_02a_page_006

This lists three head gaskets for the B18:

418990-8 0.8 (for ROT >=100 (RON?))
419688-7 1.6 (for ROT 95 - 100)
418867-8 2.4 (for ROT >95)

While it categorises them by octane rating rather than by compression ratio its reasonable to assume that the thinner gasket relates to the later engine as fuel octane ratings rose before falling again in recent years.

418990 seems to be the only one thats widely available these days.

Not the exact answer you're looking for but hopefully of some help....

Aidan
--
1967 131, 1969 131, 1973 Triumph GT6, 1972 Triumph Spitfire 2.5






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New B18A type 496801 [120-130]
posted by  yogui  on Fri May 5 15:05 CST 2006 >


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